Apparatus and method for removing occluding material from body l

Details Apparatus and method for removing occluding material from body l Apparatus and method for removing occluding material from body l

1997-12-17

2000-02-22

Dawson, Glenn K.

Surgery

Instruments

Blood vessel, duct or teat cutter, scrapper or abrader

600564, 606167, 606174, A61B 1722

Patent

active

060275146

ABSTRACT:
An atherectomy catheter includes a catheter body having a blade assembly at its distal end. The blade assembly includes first blade and a second blade, where each blade has an opposed cutting edge. At least one of the cutting edges will have a penetrating point formed thereon. Preferably, both edges will have at least one aligned cutting point, more preferably at least two or more aligned cutting points. When the blades are actuated to shear tissue therebetween, the cutting points act to penetrate and capture the material to be sheared.

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